How This 18-YO's Greywater System Can Save 5000 L of Drinking Water Every MonthYoung AchieversBy Mervin Preethi17 Oct 2025 16:00 ISTMeet Mannat Kaur, the 18-year-old who became the first Indian to compete at the Stockholm Junior Water Prize with her eco-friendly greywater recycling system. Her innovation can save up to 50% of household water and reduce carbon emissions by 85%.Read More